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# frozen_string_literal: true
require "rubygems/user_interaction"
module Bundler
class Source
class Rubygems < Source
autoload :Remote, File.expand_path("rubygems/remote", __dir__)
# Ask for X gems per API request
API_REQUEST_SIZE = 50
attr_accessor :remotes
def initialize(options = {})
@options = options
@remotes = []
@dependency_names = []
@allow_remote = false
@allow_cached = false
@allow_local = options["allow_local"] || false
@checksum_store = Checksum::Store.new
Array(options["remotes"]).reverse_each {|r| add_remote(r) }
end
def caches
@caches ||= [cache_path, *Bundler.rubygems.gem_cache]
end
def local_only!
@specs = nil
@allow_local = true
@allow_cached = false
@allow_remote = false
end
def local!
return if @allow_local
@specs = nil
@allow_local = true
end
def remote!
return if @allow_remote
@specs = nil
@allow_remote = true
end
def cached!
return unless File.exist?(cache_path)
return if @allow_cached
@specs = nil
@allow_cached = true
end
def hash
@remotes.hash
end
def eql?(other)
other.is_a?(Rubygems) && other.credless_remotes == credless_remotes
end
alias_method :==, :eql?
def include?(o)
o.is_a?(Rubygems) && (o.credless_remotes - credless_remotes).empty?
end
def multiple_remotes?
@remotes.size > 1
end
def no_remotes?
@remotes.size == 0
end
def can_lock?(spec)
return super unless multiple_remotes?
include?(spec.source)
end
def options
{ "remotes" => @remotes.map(&:to_s) }
end
def self.from_lock(options)
options["remotes"] = Array(options.delete("remote")).reverse
new(options)
end
def to_lock
out = String.new("GEM\n")
remotes.reverse_each do |remote|
out << " remote: #{remove_auth remote}\n"
end
out << " specs:\n"
end
def to_s
if remotes.empty?
"locally installed gems"
elsif @allow_remote && @allow_cached && @allow_local
"rubygems repository #{remote_names}, cached gems or installed locally"
elsif @allow_remote && @allow_local
"rubygems repository #{remote_names} or installed locally"
elsif @allow_remote
"rubygems repository #{remote_names}"
elsif @allow_cached && @allow_local
"cached gems or installed locally"
else
"locally installed gems"
end
end
def identifier
if remotes.empty?
"locally installed gems"
else
"rubygems repository #{remote_names}"
end
end
alias_method :name, :identifier
alias_method :to_gemfile, :identifier
def specs
@specs ||= begin
# remote_specs usually generates a way larger Index than the other
# sources, and large_idx.merge! small_idx is way faster than
# small_idx.merge! large_idx.
index = @allow_remote ? remote_specs.dup : Index.new
index.merge!(cached_specs) if @allow_cached
index.merge!(installed_specs) if @allow_local
index
end
end
def install(spec, options = {})
force = options[:force]
ensure_builtin_gems_cached = options[:ensure_builtin_gems_cached]
if ensure_builtin_gems_cached && spec.default_gem? && !cached_path(spec)
cached_built_in_gem(spec) unless spec.remote
force = true
end
if installed?(spec) && !force
print_using_message "Using #{version_message(spec, options[:previous_spec])}"
return nil # no post-install message
end
if spec.remote
# Check for this spec from other sources
uris = [spec.remote, *remotes_for_spec(spec)].map(&:anonymized_uri).uniq
Installer.ambiguous_gems << [spec.name, *uris] if uris.length > 1
end
path = fetch_gem_if_possible(spec, options[:previous_spec])
raise GemNotFound, "Could not find #{spec.file_name} for installation" unless path
return if Bundler.settings[:no_install]
install_path = rubygems_dir
bin_path = Bundler.system_bindir
require_relative "../rubygems_gem_installer"
installer = Bundler::RubyGemsGemInstaller.at(
path,
security_policy: Bundler.rubygems.security_policies[Bundler.settings["trust-policy"]],
install_dir: install_path.to_s,
bin_dir: bin_path.to_s,
ignore_dependencies: true,
wrappers: true,
env_shebang: true,
build_args: options[:build_args],
bundler_extension_cache_path: extension_cache_path(spec)
)
if spec.remote
s = begin
installer.spec
rescue Gem::Package::FormatError
Bundler.rm_rf(path)
raise
rescue Gem::Security::Exception => e
raise SecurityError,
"The gem #{File.basename(path, ".gem")} can't be installed because " \
"the security policy didn't allow it, with the message: #{e.message}"
end
spec.__swap__(s)
end
spec.source.checksum_store.register(spec, installer.gem_checksum)
message = "Installing #{version_message(spec, options[:previous_spec])}"
message += " with native extensions" if spec.extensions.any?
Bundler.ui.confirm message
installed_spec = installer.install
spec.full_gem_path = installed_spec.full_gem_path
spec.loaded_from = installed_spec.loaded_from
spec.post_install_message
end
def cache(spec, custom_path = nil)
cached_path = Bundler.settings[:cache_all_platforms] ? fetch_gem_if_possible(spec) : cached_gem(spec)
raise GemNotFound, "Missing gem file '#{spec.file_name}'." unless cached_path
return if File.dirname(cached_path) == Bundler.app_cache.to_s
Bundler.ui.info " * #{File.basename(cached_path)}"
FileUtils.cp(cached_path, Bundler.app_cache(custom_path))
rescue Errno::EACCES => e
Bundler.ui.debug(e)
raise InstallError, e.message
end
def cached_built_in_gem(spec)
cached_path = cached_path(spec)
if cached_path.nil?
remote_spec = remote_specs.search(spec).first
if remote_spec
cached_path = fetch_gem(remote_spec)
else
Bundler.ui.warn "#{spec.full_name} is built in to Ruby, and can't be cached because your Gemfile doesn't have any sources that contain it."
end
end
cached_path
end
def add_remote(source)
uri = normalize_uri(source)
@remotes.unshift(uri) unless @remotes.include?(uri)
end
def spec_names
if dependency_api_available?
remote_specs.spec_names
else
[]
end
end
def unmet_deps
if dependency_api_available?
remote_specs.unmet_dependency_names
else
[]
end
end
def remote_fetchers
@remote_fetchers ||= remotes.to_h do |uri|
remote = Source::Rubygems::Remote.new(uri)
[remote, Bundler::Fetcher.new(remote)]
end.freeze
end
def fetchers
@fetchers ||= remote_fetchers.values.freeze
end
def double_check_for(unmet_dependency_names)
return unless dependency_api_available?
unmet_dependency_names = unmet_dependency_names.call
unless unmet_dependency_names.nil?
if api_fetchers.size <= 1
# can't do this when there are multiple fetchers because then we might not fetch from _all_
# of them
unmet_dependency_names -= remote_specs.spec_names # avoid re-fetching things we've already gotten
end
return if unmet_dependency_names.empty?
end
Bundler.ui.debug "Double checking for #{unmet_dependency_names || "all specs (due to the size of the request)"} in #{self}"
fetch_names(api_fetchers, unmet_dependency_names, remote_specs)
specs.use remote_specs
end
def dependency_names_to_double_check
names = []
remote_specs.each do |spec|
case spec
when EndpointSpecification, Gem::Specification, StubSpecification, LazySpecification
names.concat(spec.runtime_dependencies.map(&:name))
when RemoteSpecification # from the full index
return nil
else
raise "unhandled spec type (#{spec.inspect})"
end
end
names
end
def dependency_api_available?
@allow_remote && api_fetchers.any?
end
protected
def remote_names
remotes.map(&:to_s).join(", ")
end
def credless_remotes
remotes.map(&method(:remove_auth))
end
def remotes_for_spec(spec)
specs.search_all(spec.name).inject([]) do |uris, s|
uris << s.remote if s.remote
uris
end
end
def cached_gem(spec)
if spec.default_gem?
cached_built_in_gem(spec)
else
cached_path(spec)
end
end
def cached_path(spec)
global_cache_path = download_cache_path(spec)
caches << global_cache_path if global_cache_path
possibilities = caches.map {|p| package_path(p, spec) }
possibilities.find {|p| File.exist?(p) }
end
def package_path(cache_path, spec)
"#{cache_path}/#{spec.file_name}"
end
def normalize_uri(uri)
uri = URINormalizer.normalize_suffix(uri.to_s)
require_relative "../vendored_uri"
uri = Gem::URI(uri)
raise ArgumentError, "The source must be an absolute URI. For example:\n" \
"source 'https://rubygems.org'" if !uri.absolute? || (uri.is_a?(Gem::URI::HTTP) && uri.host.nil?)
uri
end
def remove_auth(remote)
if remote.user || remote.password
remote.dup.tap {|uri| uri.user = uri.password = nil }.to_s
else
remote.to_s
end
end
def installed_specs
@installed_specs ||= Index.build do |idx|
Bundler.rubygems.all_specs.reverse_each do |spec|
spec.source = self
if Bundler.rubygems.spec_missing_extensions?(spec, false)
Bundler.ui.debug "Source #{self} is ignoring #{spec} because it is missing extensions"
next
end
idx << spec
end
end
end
def cached_specs
@cached_specs ||= begin
idx = Index.new
Dir["#{cache_path}/*.gem"].each do |gemfile|
s ||= Bundler.rubygems.spec_from_gem(gemfile)
s.source = self
idx << s
end
idx
end
end
def api_fetchers
fetchers.select(&:api_fetcher?)
end
def remote_specs
@remote_specs ||= Index.build do |idx|
index_fetchers = fetchers - api_fetchers
if index_fetchers.empty?
fetch_names(api_fetchers, dependency_names, idx)
else
fetch_names(fetchers, nil, idx)
end
end
end
def fetch_names(fetchers, dependency_names, index)
fetchers.each do |f|
if dependency_names
Bundler.ui.info "Fetching gem metadata from #{URICredentialsFilter.credential_filtered_uri(f.uri)}", Bundler.ui.debug?
index.use f.specs_with_retry(dependency_names, self)
Bundler.ui.info "" unless Bundler.ui.debug? # new line now that the dots are over
else
Bundler.ui.info "Fetching source index from #{URICredentialsFilter.credential_filtered_uri(f.uri)}"
index.use f.specs_with_retry(nil, self)
end
end
end
def fetch_gem_if_possible(spec, previous_spec = nil)
if spec.remote
fetch_gem(spec, previous_spec)
else
cached_gem(spec)
end
end
def fetch_gem(spec, previous_spec = nil)
spec.fetch_platform
cache_path = download_cache_path(spec) || default_cache_path_for(rubygems_dir)
gem_path = package_path(cache_path, spec)
return gem_path if File.exist?(gem_path)
SharedHelpers.filesystem_access(cache_path) do |p|
FileUtils.mkdir_p(p)
end
download_gem(spec, cache_path, previous_spec)
gem_path
end
def installed?(spec)
installed_specs[spec].any? && !spec.deleted_gem?
end
def rubygems_dir
Bundler.bundle_path
end
def default_cache_path_for(dir)
"#{dir}/cache"
end
def cache_path
Bundler.app_cache
end
private
# Checks if the requested spec exists in the global cache. If it does,
# we copy it to the download path, and if it does not, we download it.
#
# @param [Specification] spec
# the spec we want to download or retrieve from the cache.
#
# @param [String] download_cache_path
# the local directory the .gem will end up in.
#
# @param [Specification] previous_spec
# the spec previously locked
#
def download_gem(spec, download_cache_path, previous_spec = nil)
uri = spec.remote.uri
Bundler.ui.confirm("Fetching #{version_message(spec, previous_spec)}")
gem_remote_fetcher = remote_fetchers.fetch(spec.remote).gem_remote_fetcher
Bundler.rubygems.download_gem(spec, uri, download_cache_path, gem_remote_fetcher)
end
# Returns the global cache path of the calling Rubygems::Source object.
#
# Note that the Source determines the path's subdirectory. We use this
# subdirectory in the global cache path so that gems with the same name
# -- and possibly different versions -- from different sources are saved
# to their respective subdirectories and do not override one another.
#
# @param [Gem::Specification] specification
#
# @return [Pathname] The global cache path.
#
def download_cache_path(spec)
return unless Bundler.feature_flag.global_gem_cache?
return unless remote = spec.remote
return unless cache_slug = remote.cache_slug
Bundler.user_cache.join("gems", cache_slug)
end
def extension_cache_slug(spec)
return unless remote = spec.remote
remote.cache_slug
end
end
end
end